August Half Marathons within 50 miles of Aurora, CO
Idaho Springs, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Georgetown, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Erie, CO
Erie Half & 5K
Aug 17, 2025
Arvada, CO
All-Out Runapalooza
Aug 2, 2025
Boulder, CO
Boulder Rez Marathon
Aug 3, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. All-Out Runapalooza
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Aug 2, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
14 miles point to pointJefferson County, CO
2. Boulder Rez Marathon
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Past DateAug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
3. I'm Bound for Boston Marathon & Half Marathon - Denver
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Past DateAug 4, 2024Sunday
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26.2M, 13.1M run
More Information
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Denver, CO
8 miles point to pointDenver County, CO
4. Georgetown to Idaho Springs Half Marathon
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Past DateAug 10, 2024Saturday
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13.1M run
More Information
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startGeorgetown, CO46 miles point to pointfinishIdaho Springs, CO36 miles point to pointClear Creek County, COClear Creek County, CO
5. Erie Half & 5K
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Aug 17, 2025Sunday
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13.1M, 5K run
More Information
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Erie, CO
25 miles point to pointWeld County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.